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ÖzBu araştırma, 2008-2009 yetiştirme döneminde 12 adet iki sıralı arpa çeşidi (Fahrettinbey, Cumhuriyet-50, Özdemir-05, Kalaycı-97, Çıldır-02, İnce-04, Efes-98, Erciyes, Çumra-2001, Sladoran, Tarm-92 ve Tokak-157/35) It was determined that the effects of genotype and environment were significant at 1 %level of probability for grain yield and all investigated traits. Plant height, spike number per m 2 , spike length, kernel number per spike, grain yield, 1000-seed weight, hectoliter weight and protein content values were determined for investigated genotypes respectively as between 92.26 and 119.29 cm, 324.30 and 430.96, 6.58 and 9.11 cm, 21.72 and 26.15, 280.55 and 426.71 kg/da, 32.14 and 41.54 g, 63.60 and 68.76 kg, 12.38 and 14.00% .The cultivars Fahrettinbey and Sladoran sowed the highest grain yield and 1000-seed weight (426.71 kg/da and 41.54 g; 418.82 kg/da and 40.70 g, respectively). The cultivars Sladoran and Fahrettinbey sowed the highest hectoliter weight (68.76 and 67.63 kg), whereas the cultivars Çıldır-02 showed the highest protein content (14.00%).

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Leaf area is one of the most important parameter for plant growth. Reliable equations were offered to predict leaf area for Zea mays L. cultivars. All equations produced for leaf area were derived as affected by leaf length and leaf width. As a result of ANOVA and multiregression analysis, it was found that there was a close relationship between actual and predicted growth parameters. The produced leaf-area prediction model in the present study is LA = a + b L + c W + d LZ where LA is leaf area, L is leaf length, W is maximum leaf width, LZ is leaf zone and a, b, c, d are coefficients. R 2 values were between 0.88-0.97 and standard errors were found to be significant at the p<0.001 significance level.